2012-05-09 00:50:35 +08:00
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llvm-as - LLVM assembler
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========================
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[docs][tools] Add missing "program" tags to rst files
Sphinx allows for definitions of command-line options using
`.. option <name>` and references to those options via `:option:<name>`.
However, it looks like there is no scoping of these options by default,
meaning that links can end up pointing to incorrect documents. See for
example the llvm-mca document, which contains references to -o that,
prior to this patch, pointed to a different document. What's worse is
that these links appear to be non-deterministic in which one is picked
(on my machine, some references end up pointing to opt, whereas on the
live docs, they point to llvm-dwarfdump, for example).
The fix is to add the .. program <name> tag. This essentially namespaces
the options (definitions and references) to the named program, ensuring
that the links are kept correct.
Reviwed by: andreadb
Differential Revision: https://reviews.llvm.org/D63873
llvm-svn: 364538
2019-06-27 21:24:46 +08:00
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.. program:: llvm-as
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2012-05-09 00:50:35 +08:00
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SYNOPSIS
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--------
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**llvm-as** [*options*] [*filename*]
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DESCRIPTION
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-----------
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**llvm-as** is the LLVM assembler. It reads a file containing human-readable
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LLVM assembly language, translates it to LLVM bitcode, and writes the result
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into a file or to standard output.
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If *filename* is omitted or is ``-``, then **llvm-as** reads its input from
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standard input.
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If an output file is not specified with the **-o** option, then
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**llvm-as** sends its output to a file or standard output by following
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these rules:
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2012-06-20 19:25:11 +08:00
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* If the input is standard input, then the output is standard output.
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2012-05-09 00:50:35 +08:00
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2012-06-20 19:25:11 +08:00
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* If the input is a file that ends with ``.ll``, then the output file is of the
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same name, except that the suffix is changed to ``.bc``.
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2012-05-09 00:50:35 +08:00
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2012-06-20 19:25:11 +08:00
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* If the input is a file that does not end with the ``.ll`` suffix, then the
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output file has the same name as the input file, except that the ``.bc``
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suffix is appended.
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2012-05-09 00:50:35 +08:00
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OPTIONS
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-------
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**-f**
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Enable binary output on terminals. Normally, **llvm-as** will refuse to
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write raw bitcode output if the output stream is a terminal. With this option,
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**llvm-as** will write raw bitcode regardless of the output device.
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**-help**
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Print a summary of command line options.
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**-o** *filename*
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Specify the output file name. If *filename* is ``-``, then **llvm-as**
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sends its output to standard output.
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EXIT STATUS
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-----------
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2012-06-20 19:25:11 +08:00
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If **llvm-as** succeeds, it will exit with 0. Otherwise, if an error occurs, it
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will exit with a non-zero value.
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2012-05-09 00:50:35 +08:00
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SEE ALSO
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--------
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2019-07-05 05:19:05 +08:00
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:manpage:`llvm-dis(1)`, as(1)
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